New Species of Hemigrammocharax (Characiformes: Distichodontidae) from the Northwestern Congo River Basin

Fernando C. Jerep; Richard P. Vari

doi:10.1643/CI-12-059

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Fernando C. Jerep,¹ Richard P. Vari¹

¹1Division of Fishes, Department of Vertebrate Zoology, National Museum of Natural History, Smithsoni

Abstract

Hemigrammocharax rubensteini is described from the northwestern Congo River basin in the Lékoli River of the Likouala River system, Republic of the Congo. The species differs from congeners in the combination of pigmentation pattern, meristics, and position of the dorsal fin. The presence of a well-developed pseudotympanum, a feature not previously reported in the Distichodontidae, is reported for H. rubensteini and other members of Hemigrammocharax and Nannocharax.

2013 by the American Society of Ichthyologists and Herpetologists

Citation Download Citation

Fernando C. Jerep and Richard P. Vari "New Species of Hemigrammocharax (Characiformes: Distichodontidae) from the Northwestern Congo River Basin," Copeia 2013(1), 31-37, (27 March 2013). https://doi.org/10.1643/CI-12-059

Received: 8 May 2012; Accepted: 1 September 2012; Published: 27 March 2013

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